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  1. JDK
  2. JDK-8273459

Update code segment alignment to 64 bytes

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    • b17
    • x86

    Backports

      Description

        On x86 architecture we need a way to align stubs to 64 byte boundary. This helps to keep 512-bit (64 byte) constant vectors aligned in memory.

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8296751 Update code segment alignment to 64 bytes

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8296888 Update code segment alignment to 64 bytes

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved
            relates to

            Bug - A problem which impairs or prevents the functions of the product. JDK-8274527 Minimal VM build fails after JDK-8273459

            • P1 - Blocks development and/or testing work, production could not run.
            • Resolved

            Enhancement - null JDK-8281467 Allow larger OptoLoopAlignment and CodeEntryAlignment

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8293999 [JVMCI] need support for aligned constants in generated code larger than 8 bytes

            • P3 - Major loss of function.
            • Resolved
            links to

            Commit Commit openjdk/jdk17u-dev/ccbf2a9b

            Commit Commit openjdk/jdk/53b25bce

            Review Review openjdk/jdk17u-dev/862

            Review Review openjdk/jdk17u-dev/868

            Review Review openjdk/jdk/5547

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                sviswanathan Sandhya Viswanathan
                sviswanathan Sandhya Viswanathan
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                Dates

                  Created:
                  Updated:
                  Resolved: